Product Information:09985 Pressure Cooker Seal for Presto Pressure Canner You will get a brand new 09985 rubber ring that matches your Presto pressure canner perfectly! Presto pressure pot gasket fitment: pressure cooker rubber ring for Presto pressure cookers only, compatible with models 0174510 (16 qt), 0175107 (18 qt), 0175510 (16 qt), 0178107 (23 qt), 0178209 (23 qt), 0178410 (23 qt) Premium quality presto pressure canner parts: 09985 seals made by YRZHKS are made of high quality food-grade silicone material for safety, perfect sealing and durability Easy Installation: presto pressure cooker parts are relatively easy to install, use a little bit of cooking oil on the seal and push it along the inside of the lid, but as long as you continue to press the seal on the can, the seal will fit. Pushing in the same direction will help. Clean the gasket grooves before installing and your pressure cooker will run like new when you're done. Good after-sale: please make sure the size and model of the presto pressure cooker gasket matches your pressure cooker before you buy, if you have any questions about our presto pressure canner parts, please feel free to contact us by email, we will solve it for you as soon as possible!